Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.

Silicon dioxide is a major component of glass and ceramics.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

Acidic oxides react with water to produce acids.

Peroxides play an important role in chemical reactions.

Nitrogen monoxide is a cause of air pollution.

Nitrogen dioxide is a cause of air pollution.

Carbon dioxide is one of the main causes of global warming.

This factory is emitting a large amount of sulfur dioxide.

Hydrogen peroxide is often used for disinfecting wounds.